638995-75-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 638995-75-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,8,9,9 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 638995-75:
(8*6)+(7*3)+(6*8)+(5*9)+(4*9)+(3*5)+(2*7)+(1*5)=232
232 % 10 = 2
So 638995-75-2 is a valid CAS Registry Number.